Eric Chen, M.D.
NPI 1871697250 · Family Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chen, M.D. is a Family Medicine Physician provider in Fontana, CA (NPI 1871697250).
Provider details
- NPI number
- 1871697250
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A36192 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
323 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 154 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 124 | $132 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 45 | $18 |
Typical Medicare-allowed amounts for these services range $18–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 265 | 82 |
| Metformin Hcl | 131 | 38 |
| Amlodipine Besylate | 128 | 41 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 108 | 32 |
| Losartan Potassium | 101 | 32 |
| Diclofenac Sodium | 96 | 27 |
| Alprazolam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-07
- Last updated
- 2016-08-06
Frequently asked questions
- What is Eric Chen's NPI number?
- Eric Chen's National Provider Identifier (NPI) is 1871697250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chen's specialty?
- Eric Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chen located?
- Eric Chen's practice location on file with NPPES is 14050 Cherry Ave, Fontana, CA 92337-8312.
- What is Eric Chen's phone number?
- The practice phone number listed in the NPPES registry for Eric Chen is (909) 823-5220.
- Does Eric Chen accept Medicare?
- Eric Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chen's NPI active?
- Yes — Eric Chen's NPI (1871697250) is active in the NPPES registry as of the last update on 2016-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.